<template>
  <div class="icons">
  <swiper :options="swiperOption">
    <swiper-slide v-for="(page, index) of pages" :key="index">  
    <div class="icon" v-for="item of page" :key="item.id">
      <div class='icon-img'>
        <img class='icon-img-content' :src='item.imgUrl' />
      </div>
      <p class="icon-desc">{{ item.desc }}</p>
    </div>
    </swiper-slide>
  </swiper>
  </div>
</template>

<script>
export default {
  name: 'HomeIcons',
  props: {
    list: Array
  },
  data () {
    return {
      swiperOption: {
        autoplay: false
      }
    }
  },
  computed: {
	  pages () {
	    const pages = []
	    this.list.forEach((item,index) => {
	      const page = Math.floor(index/8)
	      if (!pages[page]) {
	        pages[page] = []
	      }
	      pages[page].push(item)
	    })
	    return pages
	  }
	}
}
</script>

<style lang="stylus" scoped>
  @import '~styles/varibles.styl'
  @import '~styles/mixins.styl'
  .icons >>> .swiper-container
    height: 0
    padding-bottom: 50%
  .icon
    position:relative
    overflow: hidden
    float: left
    width: 25%
    height: 0
    padding-bottom: 25%
    .icon-img
      position: absolute
      top:0
      left:0
      right:0
      bottom: .44rem
      box-sizing: border-box
      padding: .1rem
      .icon-img-content
        display: block
        margin: 0 auto
        height: 100%
    .icon-desc
      position: absolute
      left:0
      right:0
      bottom:0
      height: .44rem
      line-height: .44rem
      color: $darkTextColor
      text-align: center
      ellipsis()
</style>
